-28.04% is the change from 667 to 480
Calculation steps:
[( 480 - 667 ) ÷ 667] x 100 = -28.04%
Formula
Percentage change = [(480 - 667) / 667] x 100
Subtract the new number by the original number
480 - 667 = -187
-187 ÷ 667 = -0.280359820089955
-0.280359820089955 x 100 = -28.04%